The nictitans or third eyelid is a structure that helps protect and lubricate the surface of the eye. It is covered in a pink mucous membrane that occasionally develops a tumor called a squamous cell carcinoma. These begin as a benign tumor, but can invade tissue locally.
Pet Health Services
Use our Pet Health Checker tool to help you decide if your pet's symptoms require immediate attention or if you should continue to monitor those symptoms at home.
Pet Health Checker
Use our Pet Health Checker tool to help you decide if your pet's symptoms require immediate attention or you need to monitor those symptoms at home.
Pet Health Library
We share the same goal – ensuring your animal companion is healthy and happy, which is the most important!
Check out our library to find out more!
